Finding the Fourth Proportional to 33,145.28, 49,645 and 21,422.96

Step by Step Solution

1. Step 1: Write the proportion equation
   33,145.28 : 49,645 = 21,422.96 : x
2. Step 2: Convert to fraction form
   33,145.28/49,645 = 21,422.96/x
3. Step 3: Cross multiply
   33,145.28x = 49,645 × 21,422.96
4. Step 4: Simplify right side
   33,145.28x = 1,063,542,849.20
5. Step 5: Solve for x
   x = 1,063,542,849.20/33,145.28
6. Step 6: Final answer
   x = 32,087.31